* ALPS touchpad PS/2 mouse driver
*
* Copyright (c) 2003 Neil Brown <neilb@cse.unsw.edu.au>
- * Copyright (c) 2003 Peter Osterlund <petero2@telia.com>
+ * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com>
* Copyright (c) 2004 Dmitry Torokhov <dtor@mail.ru>
* Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
+ * Copyright (c) 2009 Sebastian Kapfer <sebastian_kapfer@gmx.net>
*
* ALPS detection, tap switching and status querying info is taken from
* tpconfig utility (by C. Scott Ananian and Bruce Kall).
* the Free Software Foundation.
*/
+#include <linux/dmi.h>
+#include <linux/slab.h>
#include <linux/input.h>
#include <linux/serio.h>
#include <linux/libps2.h>
#define dbg(format, arg...) do {} while (0)
#endif
-#define ALPS_DUALPOINT 0x01
-#define ALPS_WHEEL 0x02
-#define ALPS_FW_BK_1 0x04
-#define ALPS_4BTN 0x08
-#define ALPS_OLDPROTO 0x10
-#define ALPS_PASS 0x20
-#define ALPS_FW_BK_2 0x40
+#define ALPS_OLDPROTO 0x01 /* old style input */
+#define ALPS_DUALPOINT 0x02 /* touchpad has trackstick */
+#define ALPS_PASS 0x04 /* device has a pass-through port */
-static struct alps_model_info alps_model_data[] = {
- { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */
+#define ALPS_WHEEL 0x08 /* hardware wheel present */
+#define ALPS_FW_BK_1 0x10 /* front & back buttons present */
+#define ALPS_FW_BK_2 0x20 /* front & back buttons present */
+#define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */
+#define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with
+ 6-byte ALPS packet */
+
+static const struct alps_model_info alps_model_data[] = {
+ { { 0x32, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */
+ { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */
{ { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
{ { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
+ { { 0x60, 0x03, 0xc8 }, 0xf8, 0xf8, 0 }, /* HP ze1115 */
{ { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
{ { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
- { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, 0 },
- { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */
- { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */
+ { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */
+ { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */
+ { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */
{ { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 },
- { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS }, /* Dell Latitude D800 */
+ { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D800 */
+ { { 0x73, 0x00, 0x0a }, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */
{ { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
- { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */
+ { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */
{ { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */
{ { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT },
{ { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */
+ /* Dell Latitude E5500, E6400, E6500, Precision M4400 */
+ { { 0x62, 0x02, 0x14 }, 0xcf, 0xcf,
+ ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },
+ /* Dell Precision 4500 */
+ { { 0x73, 0x02, 0x64 }, 0x80, 0x80, 0 },
+ { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */
+ { { 0x52, 0x01, 0x14 }, 0xff, 0xff,
+ ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */
};
/*
*/
/*
- * ALPS abolute Mode - new format
+ * PS/2 packet format
+ *
+ * byte 0: 0 0 YSGN XSGN 1 M R L
+ * byte 1: X7 X6 X5 X4 X3 X2 X1 X0
+ * byte 2: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
+ *
+ * Note that the device never signals overflow condition.
+ *
+ * ALPS absolute Mode - new format
*
* byte 0: 1 ? ? ? 1 ? ? ?
* byte 1: 0 x6 x5 x4 x3 x2 x1 x0
- * byte 2: 0 x10 x9 x8 x7 ? fin ges
+ * byte 2: 0 x10 x9 x8 x7 ? fin ges
* byte 3: 0 y9 y8 y7 1 M R L
* byte 4: 0 y6 y5 y4 y3 y2 y1 y0
* byte 5: 0 z6 z5 z4 z3 z2 z1 z0
*
+ * Dualpoint device -- interleaved packet format
+ *
+ * byte 0: 1 1 0 0 1 1 1 1
+ * byte 1: 0 x6 x5 x4 x3 x2 x1 x0
+ * byte 2: 0 x10 x9 x8 x7 0 fin ges
+ * byte 3: 0 0 YSGN XSGN 1 1 1 1
+ * byte 4: X7 X6 X5 X4 X3 X2 X1 X0
+ * byte 5: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
+ * byte 6: 0 y9 y8 y7 1 m r l
+ * byte 7: 0 y6 y5 y4 y3 y2 y1 y0
+ * byte 8: 0 z6 z5 z4 z3 z2 z1 z0
+ *
+ * CAPITALS = stick, miniscules = touchpad
+ *
* ?'s can have different meanings on different models,
* such as wheel rotation, extra buttons, stick buttons
* on a dualpoint, etc.
*/
-static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
+static const struct dmi_system_id dell_quirk_table[] = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "8"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "9"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "ZHAOYANG E47"),
+ },
+ },
+ { }
+};
+
+int alps_model_quirk_enabled;
+static void dell_e2_model_init(void *data);
+
+ /* Magic Sequence to enable Intellimouse Mode on Dell E2 Touchpads*/
+
+static int dell_e2_setup_intellimouse_mode(void *data)
+{
+ struct psmouse *psmouse = (struct psmouse *)(data);
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ unsigned char param[] = {0, 0, 0};
+
+ if (!dmi_check_system(dell_quirk_table))
+ return -1;
+
+ if (ps2_command(ps2dev, param, 0x00f5) ||
+ ps2_command(ps2dev, param, 0x00ea) ||
+ ps2_command(ps2dev, param, 0x00ec) ||
+ ps2_command(ps2dev, param, 0x00ec) ||
+ ps2_command(ps2dev, param, 0x00ec) ||
+ ps2_command(ps2dev, param, 0x03e9))
+ return -1;
+
+ dbg("alps:dell_e2_setup: param[0]: %x,"
+ "param[1]: %x, param[2]: %x\n", param[0],
+ param[1], param[2]);
+ /* Check for supported model to continue */
+
+ if (!((param[0] == 0x88) && (param[1] == 0x07)
+ && ((param[2] == 0x9D) || (param[2] == 0x9B))))
+ return -1;
+
+ if (ps2_command(ps2dev, NULL, 0x00ec) ||
+ ps2_command(ps2dev, NULL, 0x00f0) ||
+ ps2_command(ps2dev, NULL, 0x00f0) ||
+ ps2_command(ps2dev, NULL, 0x00f0) ||
+ ps2_command(ps2dev, NULL, 0x00f3) ||
+ ps2_command(ps2dev, NULL, 0x0028) ||
+ ps2_command(ps2dev, NULL, 0x00f0) ||
+ ps2_command(ps2dev, NULL, 0x00f6) ||
+ ps2_command(ps2dev, NULL, 0x00ea) ||
+ ps2_command(ps2dev, NULL, 0x00f4))
+ return -1;
+
+ return 0;
+}
+
+static const struct alps_model_quirk alps_model_init_quirk_tbl[] = {
+
+ { {0x73, 0x02, 0x64}, dell_e2_setup_intellimouse_mode, dell_e2_model_init }
+};
+
+static int alps_model_hw_init_quirk(struct psmouse *psmouse,
+ const struct alps_model_info *model)
+{
+ int rc = 1;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(alps_model_init_quirk_tbl); i++) {
+ if (!memcmp(model->signature,
+ alps_model_init_quirk_tbl[i].signature,
+ sizeof(alps_model_init_quirk_tbl[i].signature))) {
+ rc = alps_model_init_quirk_tbl[i].alps_model_quirk_hw_init(psmouse);
+ alps_model_quirk_enabled = i + 1;
+ break;
+ }
+ }
+
+ return rc;
+}
+
+static bool alps_is_valid_first_byte(const struct alps_model_info *model,
+ unsigned char data)
+{
+ return (data & model->mask0) == model->byte0;
+}
+
+static void alps_report_buttons(struct psmouse *psmouse,
+ struct input_dev *dev1, struct input_dev *dev2,
+ int left, int right, int middle)
+{
+ struct input_dev *dev;
+
+ /*
+ * If shared button has already been reported on the
+ * other device (dev2) then this event should be also
+ * sent through that device.
+ */
+ dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1;
+ input_report_key(dev, BTN_LEFT, left);
+
+ dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1;
+ input_report_key(dev, BTN_RIGHT, right);
+
+ dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1;
+ input_report_key(dev, BTN_MIDDLE, middle);
+
+ /*
+ * Sync the _other_ device now, we'll do the first
+ * device later once we report the rest of the events.
+ */
+ input_sync(dev2);
+}
+
+static void alps_process_packet(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
+ const struct alps_model_info *model = priv->i;
unsigned char *packet = psmouse->packet;
- struct input_dev *dev = &psmouse->dev;
- struct input_dev *dev2 = &priv->dev2;
+ struct input_dev *dev = psmouse->dev;
+ struct input_dev *dev2 = priv->dev2;
int x, y, z, ges, fin, left, right, middle;
int back = 0, forward = 0;
- input_regs(dev, regs);
-
- if ((packet[0] & 0xc8) == 0x08) { /* 3-byte PS/2 packet */
- input_report_key(dev2, BTN_LEFT, packet[0] & 1);
- input_report_key(dev2, BTN_RIGHT, packet[0] & 2);
- input_report_key(dev2, BTN_MIDDLE, packet[0] & 4);
- input_report_rel(dev2, REL_X,
- packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0);
- input_report_rel(dev2, REL_Y,
- packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0);
- input_sync(dev2);
- return;
- }
-
- if (priv->i->flags & ALPS_OLDPROTO) {
- left = packet[2] & 0x08;
- right = packet[2] & 0x10;
+ if (model->flags & ALPS_OLDPROTO) {
+ left = packet[2] & 0x10;
+ right = packet[2] & 0x08;
middle = 0;
x = packet[1] | ((packet[0] & 0x07) << 7);
y = packet[4] | ((packet[3] & 0x07) << 7);
z = packet[5];
}
- if (priv->i->flags & ALPS_FW_BK_1) {
- back = packet[2] & 4;
- forward = packet[0] & 0x10;
+ if (model->flags & ALPS_FW_BK_1) {
+ back = packet[0] & 0x10;
+ forward = packet[2] & 4;
}
- if (priv->i->flags & ALPS_FW_BK_2) {
+ if (model->flags & ALPS_FW_BK_2) {
back = packet[3] & 4;
forward = packet[2] & 4;
if ((middle = forward && back))
ges = packet[2] & 1;
fin = packet[2] & 2;
- input_report_key(dev, BTN_LEFT, left);
- input_report_key(dev, BTN_RIGHT, right);
- input_report_key(dev, BTN_MIDDLE, middle);
-
- if ((priv->i->flags & ALPS_DUALPOINT) && z == 127) {
+ if ((model->flags & ALPS_DUALPOINT) && z == 127) {
input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x));
input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y));
- input_sync(dev);
+
+ alps_report_buttons(psmouse, dev2, dev, left, right, middle);
+
input_sync(dev2);
return;
}
+ alps_report_buttons(psmouse, dev, dev2, left, right, middle);
+
/* Convert hardware tap to a reasonable Z value */
- if (ges && !fin) z = 40;
+ if (ges && !fin)
+ z = 40;
/*
* A "tap and drag" operation is reported by the hardware as a transition
}
priv->prev_fin = fin;
- if (z > 30) input_report_key(dev, BTN_TOUCH, 1);
- if (z < 25) input_report_key(dev, BTN_TOUCH, 0);
+ if (z > 30)
+ input_report_key(dev, BTN_TOUCH, 1);
+ if (z < 25)
+ input_report_key(dev, BTN_TOUCH, 0);
if (z > 0) {
input_report_abs(dev, ABS_X, x);
input_report_abs(dev, ABS_PRESSURE, z);
input_report_key(dev, BTN_TOOL_FINGER, z > 0);
- if (priv->i->flags & ALPS_WHEEL)
- input_report_rel(dev, REL_WHEEL, ((packet[0] >> 4) & 0x07) | ((packet[2] >> 2) & 0x08));
+ if (model->flags & ALPS_WHEEL)
+ input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07));
- if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
+ if (model->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
input_report_key(dev, BTN_FORWARD, forward);
input_report_key(dev, BTN_BACK, back);
}
+ if (model->flags & ALPS_FOUR_BUTTONS) {
+ input_report_key(dev, BTN_0, packet[2] & 4);
+ input_report_key(dev, BTN_1, packet[0] & 0x10);
+ input_report_key(dev, BTN_2, packet[3] & 4);
+ input_report_key(dev, BTN_3, packet[0] & 0x20);
+ }
+
input_sync(dev);
}
-static psmouse_ret_t alps_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
+static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
+ unsigned char packet[],
+ bool report_buttons)
+{
+ struct alps_data *priv = psmouse->private;
+ struct input_dev *dev2 = priv->dev2;
+
+ if (report_buttons)
+ alps_report_buttons(psmouse, dev2, psmouse->dev,
+ packet[0] & 1, packet[0] & 2, packet[0] & 4);
+
+ input_report_rel(dev2, REL_X,
+ packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0);
+ input_report_rel(dev2, REL_Y,
+ packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0);
+
+ input_sync(dev2);
+}
+
+static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
+ if (psmouse->pktcnt < 6)
+ return PSMOUSE_GOOD_DATA;
+
+ if (psmouse->pktcnt == 6) {
+ /*
+ * Start a timer to flush the packet if it ends up last
+ * 6-byte packet in the stream. Timer needs to fire
+ * psmouse core times out itself. 20 ms should be enough
+ * to decide if we are getting more data or not.
+ */
+ mod_timer(&priv->timer, jiffies + msecs_to_jiffies(20));
+ return PSMOUSE_GOOD_DATA;
+ }
+
+ del_timer(&priv->timer);
+
+ if (psmouse->packet[6] & 0x80) {
+
+ /*
+ * Highest bit is set - that means we either had
+ * complete ALPS packet and this is start of the
+ * next packet or we got garbage.
+ */
+
+ if (((psmouse->packet[3] |
+ psmouse->packet[4] |
+ psmouse->packet[5]) & 0x80) ||
+ (!alps_is_valid_first_byte(priv->i, psmouse->packet[6]))) {
+ dbg("refusing packet %x %x %x %x "
+ "(suspected interleaved ps/2)\n",
+ psmouse->packet[3], psmouse->packet[4],
+ psmouse->packet[5], psmouse->packet[6]);
+ return PSMOUSE_BAD_DATA;
+ }
+
+ alps_process_packet(psmouse);
+
+ /* Continue with the next packet */
+ psmouse->packet[0] = psmouse->packet[6];
+ psmouse->pktcnt = 1;
+
+ } else {
+
+ /*
+ * High bit is 0 - that means that we indeed got a PS/2
+ * packet in the middle of ALPS packet.
+ *
+ * There is also possibility that we got 6-byte ALPS
+ * packet followed by 3-byte packet from trackpoint. We
+ * can not distinguish between these 2 scenarios but
+ * becase the latter is unlikely to happen in course of
+ * normal operation (user would need to press all
+ * buttons on the pad and start moving trackpoint
+ * without touching the pad surface) we assume former.
+ * Even if we are wrong the wost thing that would happen
+ * the cursor would jump but we should not get protocol
+ * desynchronization.
+ */
+
+ alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3],
+ false);
+
+ /*
+ * Continue with the standard ALPS protocol handling,
+ * but make sure we won't process it as an interleaved
+ * packet again, which may happen if all buttons are
+ * pressed. To avoid this let's reset the 4th bit which
+ * is normally 1.
+ */
+ psmouse->packet[3] = psmouse->packet[6] & 0xf7;
+ psmouse->pktcnt = 4;
+ }
+
+ return PSMOUSE_GOOD_DATA;
+}
+
+static void alps_flush_packet(unsigned long data)
+{
+ struct psmouse *psmouse = (struct psmouse *)data;
+
+ serio_pause_rx(psmouse->ps2dev.serio);
+
+ if (psmouse->pktcnt == 6) {
+
+ /*
+ * We did not any more data in reasonable amount of time.
+ * Validate the last 3 bytes and process as a standard
+ * ALPS packet.
+ */
+ if ((psmouse->packet[3] |
+ psmouse->packet[4] |
+ psmouse->packet[5]) & 0x80) {
+ dbg("refusing packet %x %x %x "
+ "(suspected interleaved ps/2)\n",
+ psmouse->packet[3], psmouse->packet[4],
+ psmouse->packet[5]);
+ } else {
+ alps_process_packet(psmouse);
+ }
+ psmouse->pktcnt = 0;
+ }
+
+ serio_continue_rx(psmouse->ps2dev.serio);
+}
+
+static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
+{
+ struct alps_data *priv = psmouse->private;
+ const struct alps_model_info *model = priv->i;
+
if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */
if (psmouse->pktcnt == 3) {
- alps_process_packet(psmouse, regs);
+ alps_report_bare_ps2_packet(psmouse, psmouse->packet,
+ true);
return PSMOUSE_FULL_PACKET;
}
return PSMOUSE_GOOD_DATA;
}
- if ((psmouse->packet[0] & priv->i->mask0) != priv->i->byte0)
+ /* Check for PS/2 packet stuffed in the middle of ALPS packet. */
+
+ if ((model->flags & ALPS_PS2_INTERLEAVED) &&
+ psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) {
+ return alps_handle_interleaved_ps2(psmouse);
+ }
+
+ if (!alps_is_valid_first_byte(model, psmouse->packet[0])) {
+ dbg("refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n",
+ psmouse->packet[0], model->mask0, model->byte0);
return PSMOUSE_BAD_DATA;
+ }
/* Bytes 2 - 6 should have 0 in the highest bit */
if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= 6 &&
- (psmouse->packet[psmouse->pktcnt - 1] & 0x80))
+ (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) {
+ dbg("refusing packet[%i] = %x\n",
+ psmouse->pktcnt - 1, psmouse->packet[psmouse->pktcnt - 1]);
return PSMOUSE_BAD_DATA;
+ }
if (psmouse->pktcnt == 6) {
- alps_process_packet(psmouse, regs);
+ alps_process_packet(psmouse);
return PSMOUSE_FULL_PACKET;
}
return PSMOUSE_GOOD_DATA;
}
-static struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version)
+static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
- unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 };
+ static const unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 };
unsigned char param[4];
int i;
dbg("E7 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]);
- for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++);
- *version = (param[0] << 8) | (param[1] << 4) | i;
+ if (version) {
+ for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++)
+ /* empty */;
+ *version = (param[0] << 8) | (param[1] << 4) | i;
+ }
for (i = 0; i < ARRAY_SIZE(alps_model_data); i++)
- if (!memcmp(param, alps_model_data[i].signature, sizeof(alps_model_data[i].signature)))
+ if (!memcmp(param, alps_model_data[i].signature,
+ sizeof(alps_model_data[i].signature)))
return alps_model_data + i;
return NULL;
* subsequent commands. It looks like glidepad is behind stickpointer,
* I'd thought it would be other way around...
*/
-static int alps_passthrough_mode(struct psmouse *psmouse, int enable)
+static int alps_passthrough_mode(struct psmouse *psmouse, bool enable)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11;
return 0;
}
-static int alps_reconnect(struct psmouse *psmouse)
+/*
+ * alps_poll() - poll the touchpad for current motion packet.
+ * Used in resync.
+ */
+static int alps_poll(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
- unsigned char param[4];
- int version;
+ unsigned char buf[6];
+ bool poll_failed;
- psmouse_reset(psmouse);
+ if (priv->i->flags & ALPS_PASS)
+ alps_passthrough_mode(psmouse, true);
- if (!(priv->i = alps_get_model(psmouse, &version)))
- return -1;
+ poll_failed = ps2_command(&psmouse->ps2dev, buf,
+ PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0;
+
+ if (priv->i->flags & ALPS_PASS)
+ alps_passthrough_mode(psmouse, false);
- if (priv->i->flags & ALPS_PASS && alps_passthrough_mode(psmouse, 1))
+ if (poll_failed || (buf[0] & priv->i->mask0) != priv->i->byte0)
return -1;
- if (alps_get_status(psmouse, param))
+ if ((psmouse->badbyte & 0xc8) == 0x08) {
+/*
+ * Poll the track stick ...
+ */
+ if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8)))
+ return -1;
+ }
+
+ memcpy(psmouse->packet, buf, sizeof(buf));
+ return 0;
+}
+
+static int alps_hw_init(struct psmouse *psmouse)
+{
+ struct alps_data *priv = psmouse->private;
+ const struct alps_model_info *model = priv->i;
+
+ if (alps_model_hw_init_quirk(psmouse, model)) {
+ alps_model_quirk_enabled = 0;
+ }
+
+ if ((model->flags & ALPS_PASS) &&
+ alps_passthrough_mode(psmouse, true)) {
return -1;
+ }
- if (!(param[0] & 0x04))
- alps_tap_mode(psmouse, 1);
+ if (alps_tap_mode(psmouse, true)) {
+ printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n");
+ return -1;
+ }
if (alps_absolute_mode(psmouse)) {
printk(KERN_ERR "alps.c: Failed to enable absolute mode\n");
return -1;
}
- if (priv->i->flags == ALPS_PASS && alps_passthrough_mode(psmouse, 0))
+ if ((model->flags & ALPS_PASS) &&
+ alps_passthrough_mode(psmouse, false)) {
return -1;
+ }
+
+ /* ALPS needs stream mode, otherwise it won't report any data */
+ if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) {
+ printk(KERN_ERR "alps.c: Failed to enable stream mode\n");
+ return -1;
+ }
return 0;
}
+static int alps_reconnect(struct psmouse *psmouse)
+{
+ const struct alps_model_info *model;
+
+ psmouse_reset(psmouse);
+
+ model = alps_get_model(psmouse, NULL);
+ if (!model)
+ return -1;
+
+ return alps_hw_init(psmouse);
+}
+
static void alps_disconnect(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
+
psmouse_reset(psmouse);
- input_unregister_device(&priv->dev2);
+ del_timer_sync(&priv->timer);
+ if (!alps_model_quirk_enabled)
+ input_unregister_device(priv->dev2);
kfree(priv);
}
+static void dell_e2_model_init(void *data)
+{
+ struct psmouse *psmouse = (struct psmouse *)(data);
+ struct input_dev *dev = psmouse->dev;
+
+ __set_bit(BTN_MIDDLE, dev->keybit);
+ __set_bit(REL_WHEEL, dev->relbit);
+
+ psmouse->pktsize = 4;
+ psmouse->type = PSMOUSE_IMPS;
+ psmouse->disconnect = alps_disconnect;
+ psmouse->reconnect = alps_reconnect;
+
+}
+
int alps_init(struct psmouse *psmouse)
{
struct alps_data *priv;
- unsigned char param[4];
+ const struct alps_model_info *model;
+ struct input_dev *dev1 = psmouse->dev, *dev2;
int version;
- psmouse->private = priv = kmalloc(sizeof(struct alps_data), GFP_KERNEL);
- if (!priv)
+ priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL);
+ dev2 = input_allocate_device();
+ if (!priv || !dev2)
goto init_fail;
- memset(priv, 0, sizeof(struct alps_data));
- if (!(priv->i = alps_get_model(psmouse, &version)))
- goto init_fail;
+ priv->dev2 = dev2;
+ setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse);
- if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1))
- goto init_fail;
+ psmouse->private = priv;
- if (alps_get_status(psmouse, param)) {
- printk(KERN_ERR "alps.c: touchpad status report request failed\n");
+ model = alps_get_model(psmouse, &version);
+ if (!model)
goto init_fail;
- }
- if (param[0] & 0x04) {
- printk(KERN_INFO "alps.c: Enabling hardware tapping\n");
- if (alps_tap_mode(psmouse, 1))
- printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n");
- }
+ priv->i = model;
- if (alps_absolute_mode(psmouse)) {
- printk(KERN_ERR "alps.c: Failed to enable absolute mode\n");
+ if (alps_hw_init(psmouse))
goto init_fail;
- }
- if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 0))
- goto init_fail;
-
- psmouse->dev.evbit[LONG(EV_KEY)] |= BIT(EV_KEY);
- psmouse->dev.keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
- psmouse->dev.keybit[LONG(BTN_TOOL_FINGER)] |= BIT(BTN_TOOL_FINGER);
- psmouse->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+ if (alps_model_quirk_enabled) {
+ printk(KERN_WARNING "alps.c: Enabled hardware quirk, falling back to psmouse-core\n");
+ alps_model_init_quirk_tbl[alps_model_quirk_enabled-1].alps_model_quirk_init(psmouse);
+ return 0;
+ }
- psmouse->dev.evbit[LONG(EV_ABS)] |= BIT(EV_ABS);
- input_set_abs_params(&psmouse->dev, ABS_X, 0, 1023, 0, 0);
- input_set_abs_params(&psmouse->dev, ABS_Y, 0, 767, 0, 0);
- input_set_abs_params(&psmouse->dev, ABS_PRESSURE, 0, 127, 0, 0);
+ /*
+ * Undo part of setup done for us by psmouse core since touchpad
+ * is not a relative device.
+ */
+ __clear_bit(EV_REL, dev1->evbit);
+ __clear_bit(REL_X, dev1->relbit);
+ __clear_bit(REL_Y, dev1->relbit);
- if (priv->i->flags & ALPS_WHEEL) {
- psmouse->dev.evbit[LONG(EV_REL)] |= BIT(EV_REL);
- psmouse->dev.relbit[LONG(REL_WHEEL)] |= BIT(REL_WHEEL);
+ /*
+ * Now set up our capabilities.
+ */
+ dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY);
+ dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH);
+ dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER);
+ dev1->keybit[BIT_WORD(BTN_LEFT)] |=
+ BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
+
+ dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS);
+ input_set_abs_params(dev1, ABS_X, 0, 1023, 0, 0);
+ input_set_abs_params(dev1, ABS_Y, 0, 767, 0, 0);
+ input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
+
+ if (model->flags & ALPS_WHEEL) {
+ dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL);
+ dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL);
}
- if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
- psmouse->dev.keybit[LONG(BTN_FORWARD)] |= BIT(BTN_FORWARD);
- psmouse->dev.keybit[LONG(BTN_BACK)] |= BIT(BTN_BACK);
+ if (model->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
+ dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD);
+ dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK);
}
- sprintf(priv->phys, "%s/input1", psmouse->ps2dev.serio->phys);
- priv->dev2.phys = priv->phys;
- priv->dev2.name = (priv->i->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse";
- priv->dev2.id.bustype = BUS_I8042;
- priv->dev2.id.vendor = 0x0002;
- priv->dev2.id.product = PSMOUSE_ALPS;
- priv->dev2.id.version = 0x0000;
-
- priv->dev2.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
- priv->dev2.relbit[LONG(REL_X)] |= BIT(REL_X) | BIT(REL_Y);
- priv->dev2.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
-
- input_register_device(&priv->dev2);
+ if (model->flags & ALPS_FOUR_BUTTONS) {
+ dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0);
+ dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1);
+ dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2);
+ dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3);
+ } else {
+ dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE);
+ }
- printk(KERN_INFO "input: %s on %s\n", priv->dev2.name, psmouse->ps2dev.serio->phys);
+ snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys);
+ dev2->phys = priv->phys;
+ dev2->name = (model->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse";
+ dev2->id.bustype = BUS_I8042;
+ dev2->id.vendor = 0x0002;
+ dev2->id.product = PSMOUSE_ALPS;
+ dev2->id.version = 0x0000;
+ dev2->dev.parent = &psmouse->ps2dev.serio->dev;
+
+ dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
+ dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
+ dev2->keybit[BIT_WORD(BTN_LEFT)] =
+ BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
+
+ if (input_register_device(priv->dev2))
+ goto init_fail;
psmouse->protocol_handler = alps_process_byte;
+ psmouse->poll = alps_poll;
psmouse->disconnect = alps_disconnect;
psmouse->reconnect = alps_reconnect;
psmouse->pktsize = 6;
+ /* We are having trouble resyncing ALPS touchpads so disable it for now */
+ psmouse->resync_time = 0;
+
return 0;
init_fail:
+ psmouse_reset(psmouse);
+ input_free_device(dev2);
kfree(priv);
+ psmouse->private = NULL;
return -1;
}
-int alps_detect(struct psmouse *psmouse, int set_properties)
+int alps_detect(struct psmouse *psmouse, bool set_properties)
{
int version;
- struct alps_model_info *model;
+ const struct alps_model_info *model;
- if (!(model = alps_get_model(psmouse, &version)))
+ model = alps_get_model(psmouse, &version);
+ if (!model)
return -1;
if (set_properties) {
projects / linux-flexiantxendom0-natty.git / blobdiff